Samsung Galaxy M31 vs Samsung Galaxy M12

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:

Specs Size

Display

Size:

6.4 inches

6.5 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 403 PPI

1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

Super AMOLED

PLS

Refresh rate:

90Hz

Screen-to-body:

83.97 %

81.86 %

Peak brightness:

420 cd/m2 (nit)

Features:

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Ambient light sensor, Proximity sensor

Hardware

System chip:

Exynos 9611 (10 nm)

Samsung Exynos 850 S5E3830 (8 nm)

Processor:

Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit

Octa-core, 8x 2.0GHz Cortex-A55, 64-bit

GPU:

Mali-G72 MP3

Mali-G52 MP1

RAM:

6GB LPDDR4

4GB LPDDR4

Internal storage:

64GB (UFS 2.1), available to use: 49 GB

64GB (eMMC 5.1), available to use: 19.5 GB

Storage expansion:

microSDXC up to 512 GB

microSDXC up to 1024 GB

Device type:

Smartphone

OS:

Android (11, 10), Samsung One UI

Android (10)

Battery

Capacity:

6000 mAh

5000 mAh

Type:

Li - Polymer, Not user replaceable

Charging:

Fast charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Quad camera

Main camera:

64 MP (PDAF)

48 MP (Autofocus)

Specifications:

F1.8; 26 mm; 1/1.7"; 0.8 μm

F2.0

Second camera:

8 MP (Ultra-wide)

5 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Aperture size: F2.2

Third camera:

5 MP (Macro)

2 MP (Macro)

Specifications:

Aperture size: F2.2; Focal Length: 25 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Aperture size: F2.4

Fourth camera:

5 MP (Depth information)

2 MP (Depth information)

Specifications:

Aperture size: F2.2

Aperture size: F2.4

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps)

1920x1080 (Full HD) (30 fps)

Features:

Hyperlapse, EIS

Front:

32 MP (HDR, Slow-motion videos)

8 MP (HDR)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.27 x 2.96 x 0.35 inches (159.2 x 75.1 x 8.9 mm)

6.46 x 2.99 x 0.38 inches (164.0 x 75.9 x 9.7 mm)

Weight:

6.74 oz (191.0 g)

7.80 oz (221.0 g)

Materials:

Back: Plastic; Frame: Plastic

Biometrics:

2D Face unlock, Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key

Colors:

Blue, Black, Red

Black, white, blue

Cellular

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)

LTE (TDD):

Bands 38(2600), 40(2300), 41(2600+)

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

LTE-A Cat 7 (300/100 Mbit/s), LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Yes

Shared with microSD

SIM type:

Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack

Speakers:

Earpiece, Loudspeaker

Features:

Dolby Atmos

Screen mirroring:

Wireless screen share

Wireless screen share, MirrorLink

Radio:

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

802.11 b, g, n; Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0

Features:

Charging

Charging, Mass storage device

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass

Accelerometer

Other:

NFC

Regulatory Approval

FCC approval:

Date approved:

Feb 07, 2020

Mar 22, 2021

FCC ID value:

A3LSMM315F

A3LSMM127G

Measured SAR:

Head:

0.42 W/kg

1.15 W/kg

Body:

0.41 W/kg

1.20 W/kg

Simultaneous Transmission:

1.54 W/kg

1.51 W/kg

Wireless Router:

0.74 W/kg

1.25 W/kg

Buyers information

Price:

€ 240

User Manual:

This is the official Samsung Galaxy M31 User Guide in English provided from the manufacturer.

In The Box:

15W fast charger, Data cable, Ejection pin, User Manual

Availability

Officially announced:

Feb 25, 2020

Mar 11, 2021

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